Microcomputer temperature control and constant temperature, using single-chip control, self-tuning PID adjustment; using imported Japanese (PT100) platinum resistance temperature measurement, temperature control accuracy is high, temperature fluctuations are small; using high-quality fully enclosed technical dog compressor, high cooling efficiency. The voice is low. The instrument is stable and reliable, and the operation is convenient and safe. The product has the following advantages: . The thermostatic bath adopts single-chip microcomputer temperature control, self-tuning control technology, and high temperature control accuracy. . The compressor adopts full-sealing technology, which reduces the temperature quickly and has a low voice. . The set temperature and the measured temperature are displayed separately in two sets of digital windows. . The circulating pump can circulate the constant temperature liquid to the outside. . With burnout protection function. . With upper and lower limit protection function. Low-temperature thermostats are widely used in bioengineering, medicine, food, chemical industry, and metallurgy. Petroleum and other fields. Provide users with a high-precision, controlled, uniform temperature constant temperature source. It is a research institute, colleges and universities, factory laboratories. A must-have product for the quality inspection department. This model OC02Z is ​​a special product designed for all kinds of Abbe refractometers. It has a constant temperature and a small volume. Advantages such as easy operation and high cost performance. The main technical parameters: Temperature range: 4 ℃-95 ℃ Display resolution: 0.1 ℃ Temperature fluctuation degree: ± 0.1℃, the medium is water Tank volume: 2 L Pump circulation mode: external circulation Pump flow: 4L Control method: microcomputer temperature control, PID adjustment. Pt100 temperature measurement Cooling method: compressor Current working voltage: 220V±22V. 50HZ 450W Instrument size: 360mm × 400mm × 265mm